3(3*7-5)=4*7+20

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Solution for 3(3*7-5)=4*7+20 equation: 


Simplifying
3(3 * 7 + -5) = 4 * 7 + 20

Multiply 3 * 7
3(21 + -5) = 4 * 7 + 20

Combine like terms: 21 + -5 = 16
3(16) = 4 * 7 + 20

Multiply 3 * 16
48 = 4 * 7 + 20

Multiply 4 * 7
48 = 28 + 20

Combine like terms: 28 + 20 = 48
48 = 48

Add '-48' to each side of the equation.
48 + -48 = 48 + -48

Combine like terms: 48 + -48 = 0
0 = 48 + -48

Combine like terms: 48 + -48 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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